The correct answer is A. a novelist
Step-by-step explanation
Jack Kerouac was considered as one of the pioneers of the beat generation which was a literary movement during the 50' based on the evaluation of values and support of self-expression that constructed a different vision of culture. Kerouac was considered as a pioneer of this movement due to his novel On the Road published in 1957 which is considered as an iconic example of the Beat Generation, but besides On the Road Kerouac wrote several novels such as The Sea is my Brother, And the Hippos Were Boiled in Their Tanks, Vanity of Duluoz and The Town and the City. Due to this Jack Kerouac was not only one of the leaders of the beat generation but a novelist.